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Henderson South STP #2

Sewage treatment plant, major discharger, Robards, Kentucky. NPDES permit KY0100293 expired Jun 30, 2012; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form 1 monthly (41 values), form R quarterly (4 values), form Y quarterly (11 values), form P4 yearly
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 21 reports late

Limits in force (124)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 2 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 2000 lb/dall year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 3000 lb/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmaximum weekly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year
BOD, 5-day, 20 deg. Cmaximum weekly averagereport only (lb/d)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 2000 lb/dall year
Solids, total suspendedmaximum weekly average≤ 3000 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmaximum weekly averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (lb/d)all year
Solids, total suspendedmaximum weekly averagereport only (lb/d)all year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]maximum weekly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 20 mg/Lall year
Nitrogen, ammonia total [as N]maximum weekly average≤ 30 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 1334 lb/dall year
Nitrogen, ammonia total [as N]maximum weekly average≤ 2000 lb/dall year
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]maximum weekly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]maximum weekly averagereport only (lb/d)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]maximum weekly averagereport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Cyanide, free [amenable to chlorination]monthly averagereport only (mg/L)all year
Cyanide, free [amenable to chlorination]daily maximumreport only (mg/L)all year
Cyanide, free [amenable to chlorination]monthly averagereport only (mg/L)all year
Cyanide, free [amenable to chlorination]daily maximumreport only (mg/L)all year
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year
Chloride [as Cl]monthly averagereport only (mg/L)all year
Chloride [as Cl]daily maximumreport only (mg/L)all year
Chloride [as Cl]monthly averagereport only (mg/L)all year
Chloride [as Cl]daily maximumreport only (mg/L)all year
Arsenic, total recoverablemonthly averagereport only (mg/L)all year
Arsenic, total recoverabledaily maximumreport only (mg/L)all year
Arsenic, total recoverablemonthly averagereport only (mg/L)all year
Arsenic, total recoverabledaily maximumreport only (mg/L)all year
Iron, total recoverablemonthly averagereport only (mg/L)all year
Iron, total recoverabledaily maximumreport only (mg/L)all year
Iron, total recoverablemonthly averagereport only (mg/L)all year
Iron, total recoverabledaily maximumreport only (mg/L)all year
Selenium, total recoverablemonthly averagereport only (mg/L)all year
Selenium, total recoverablemonthly averagereport only (mg/L)all year
Selenium, total recoverabledaily maximumreport only (mg/L)all year
Selenium, total recoverabledaily maximumreport only (mg/L)all year
Selenium, total recoverablemonthly averagereport only (mg/L)all year
Selenium, total recoverabledaily maximumreport only (mg/L)all year
Chromium, hexavalent [as Cr]monthly averagereport only (mg/L)all year
Chromium, hexavalent [as Cr]daily maximumreport only (mg/L)all year
Nickel, total recoverablemonthly averagereport only (mg/L)all year
Nickel, total recoverabledaily maximumreport only (mg/L)all year
Nickel, total recoverablemonthly averagereport only (mg/L)all year
Nickel, total recoverabledaily maximumreport only (mg/L)all year
Silver total recoverablemonthly averagereport only (mg/L)all year
Silver total recoverabledaily maximumreport only (mg/L)all year
Silver total recoverablemonthly averagereport only (mg/L)all year
Silver total recoverabledaily maximumreport only (mg/L)all year
Zinc, total recoverablemonthly averagereport only (mg/L)all year
Zinc, total recoverablemonthly averagereport only (mg/L)all year
Zinc, total recoverabledaily maximumreport only (mg/L)all year
Zinc, total recoverabledaily maximumreport only (mg/L)all year
Zinc, total recoverablemonthly averagereport only (mg/L)all year
Zinc, total recoverabledaily maximumreport only (mg/L)all year
Cadmium, total recoverablemonthly averagereport only (mg/L)all year
Cadmium, total recoverablemonthly averagereport only (mg/L)all year
Cadmium, total recoverabledaily maximumreport only (mg/L)all year
Cadmium, total recoverabledaily maximumreport only (mg/L)all year
Cadmium, total recoverablemonthly averagereport only (mg/L)all year
Cadmium, total recoverabledaily maximumreport only (mg/L)all year
Lead, total recoverablemonthly averagereport only (mg/L)all year
Lead, total recoverablemonthly averagereport only (mg/L)all year
Lead, total recoverabledaily maximumreport only (mg/L)all year
Lead, total recoverabledaily maximumreport only (mg/L)all year
Lead, total recoverablemonthly averagereport only (mg/L)all year
Lead, total recoverabledaily maximumreport only (mg/L)all year
Chromium, total recoverablemonthly averagereport only (mg/L)all year
Chromium, total recoverabledaily maximumreport only (mg/L)all year
Chromium, total recoverablemonthly averagereport only (mg/L)all year
Chromium, total recoverabledaily maximumreport only (mg/L)all year
Copper, total recoverablemonthly averagereport only (mg/L)all year
Copper, total recoverablemonthly averagereport only (mg/L)all year
Copper, total recoverabledaily maximumreport only (mg/L)all year
Copper, total recoverabledaily maximumreport only (mg/L)all year
Copper, total recoverablemonthly averagereport only (mg/L)all year
Copper, total recoverabledaily maximumreport only (mg/L)all year
Oil and greasemonthly averagereport only (mg/L)all year
Oil and greasedaily maximumreport only (mg/L)all year
Oil and greasemonthly averagereport only (mg/L)all year
Oil and greasedaily maximumreport only (mg/L)all year
Phenolics, totalmonthly averagereport only (mg/L)all year
Phenolics, totaldaily maximumreport only (mg/L)all year
Phenolics, totalmonthly averagereport only (mg/L)all year
Phenolics, totaldaily maximumreport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (MGD)all year
Chlorine, total residualmonthly average≤ .019 mg/Lall year
Chlorine, total residualdaily maximum≤ .019 mg/Lall year
E. coli30-day geometric mean≤ 130 #/100mLall year
E. coli7-day geometric mean≤ 240 #/100mLall year
Toxicity, final conc toxicity unitsdaily maximum≤ 1 tox acuteall year
Mercury, total recoverablemonthly averagereport only (mg/L)all year
Mercury, total recoverabledaily maximumreport only (mg/L)all year
Mercury, total recoverablemonthly averagereport only (mg/L)all year
Mercury, total recoverabledaily maximumreport only (mg/L)all year
Chromium, hexavalent tot recoverablemonthly averagereport only (mg/L)all year
Chromium, hexavalent tot recoverabledaily maximumreport only (mg/L)all year
Chromium, hexavalent tot recoverablemonthly averagereport only (mg/L)all year
Chromium, hexavalent tot recoverabledaily maximumreport only (mg/L)all year
BOD, 5-day, percent removalmonthly minimum≥ 85 %all year
Solids, suspended percent removalmonthly minimum≥ 85 %all year

Cited limits by parameter: Kentucky's rules and the federal ones.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/KY0100293 · MCP: https://passage-data.com/mcp